Objects float when they are less dense than the fluid they are in. If you dropped a tennis ball and a marble into a bucket of water, the marble would sink, and the tennis ball would float. This is because a tennis ball is full of air ( it is not very dense ), and…
This waterproof roof STEM challenge is a simple but fun activity that even very young children will enjoy. My 3,5 and 7-year-old loved it, especially when it came to making it ‘rain’. LEGO waterproofing experiment Before starting, we spent a few minutes talking about what we expected to happen and how we could make the…
My 7 year old loves patterns and symmetry. When he builds a LEGO or DUPLO house they always follow either a pattern or are symmetrical. I think symmetry appeals to his mathematical brain. Today we’re sharing lots of fun ways to learn about symmetry, which might sound boring but is actually fascinating. Did you know…
Here at Science Sparks, we love LEGO®. My children play with LEGO® or DUPLO® every day, and it’s been fantastic for helping them develop fine motor control and logic skills and for learning to read and understand instructions. We use LEGO® for building, making up imaginative stories, and, of course, for experiments and investigations. These…
This is a fun summer twist on sensory play with Oobleck. I simply added a small amount of kool-aid mixed with water to my goo (cornflour ( cornstarch ) and water), then carefully poured the mixture into shaped ice cube trays before leaving in the freezer for a few hours. The frozen kool-aid oobleck slipped out of…
We’ve talked about properties of materials before when we investigated how waterproof materials are or how strong they are, we’ve even organised different objects by the material they’re made from by looking at the properties of those materials. Today we’re going to explore how some materials are better at absorbing sound than others. Sound Investigation…
Baking soda experiments have always been very popular with my children. They are such fun, fizzy reactions that can be used in many creative ways. We’ve made baking soda ice before, but this time I added a little twist by making it Easter egg-shaped. We also made some without baking soda and hid a toy…
This post is all about adding a bit of science sparkle to role-play. The activities should hopefully add a stimulating and educational twist to an already fun game. My little boy is usually a bit reluctant to join in with role-play games, but if I add in a task or some props, he is much…
A few days ago, we noticed that one of our little pumpkin plants on the window sill had wilted. The soil looked dry, so we watered the plant, and after a few hours, it was standing lovely and straight again. This got us wondering why plants need water. Why do plants need water? Plants need…
My children love pottering around the garden and watching plants grow, especially those that grow food! Spring seems to have arrived, so we’ve been making the most of the sunny weather and taking the opportunity to learn some plant science. We cleared out an area of the garden for the children to do some planting….
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